61433090 has 8 divisors (see below), whose sum is σ = 110579580. Its totient is φ = 24573232.

The previous prime is 61433083. The next prime is 61433093. The reversal of 61433090 is 9033416.

It can be written as a sum of positive squares in 2 ways, for example, as 53743561 + 7689529 = 7331^2 + 2773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61433093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071645 + ... + 3071664.

Almost surely, 2^61433090 is an apocalyptic number.

61433090 is a deficient number, since it is larger than the sum of its proper divisors (49146490).

61433090 is a wasteful number, since it uses less digits than its factorization.

61433090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143316.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 61433090 is about 7837.9263839360. The cubic root of 61433090 is about 394.5791383474.

The spelling of 61433090 in words is "sixty-one million, four hundred thirty-three thousand, ninety".